If x = vmatrix1 & 2 & 3 \\ 2 & 3 & 1 \\ 3 & 1 & 2vmatrix then value of 9-2x is : Option 1: 27 Option 2: -36 Option 3: 45 Option 4: -54

The answer is '45'. View full solution:

CUET Mathematics - If x = vmatrix1 & 2 & 3 \\ 2 & 3 & 1 \\ 3 & 1 & 2vmatrix then value of 9-2x is : | PYQs + Solutions

CUET Mathematics 2022 17 Aug Shift 2

Algebra

Easy

$-36$

$-54$

✅ Correct Option: 3

Related questions:

22 May Shift 2

Match List-I with List-II

List-I	List-II
(A) A square matrix $P$ is said to be non-singular if	(I) $\vert P\vert = 0$
(B) A square matrix $P$ is said to be singular if	(II) $P P^T$ is symmetric
(C) If a matrix $P$ is both symmetric and skew-symmetric, then	(III) $\vert P\vert \neq 0$
(D) If $P$ is a square matrix, then	(IV) $P$ is a null matrix

Choose the correct answer from the options given below:

22 May Shift 2

If $A = \begin{bmatrix} 2 & 3 \\ 5 & -2 \end{bmatrix}$ be such that $A^{-1} = KA$ , then the value of K is:

21 May Shift 1

The system of equations

$x + ky = 0$

$3x + 5y = 0$

has infinitely many solutions, then k is equal to